FQAU23 AMMC 070900

IDY10220

SECURITE



High Seas Forecast for Western METAREA 10

12S TO 30S BETWEEN 90E AND 125E, AND 30S TO 50S BETWEEN 80E AND 129E



Issued by the Australian Government Bureau of Meteorology

For 24 hours commencing 1100 UTC 7 August 2026



Part 1 Warnings

Refer to latest warnings for boundary of affected area and type of weather

system.



Melbourne Gale Warning 3.

Melbourne Gale Warning 5.

Melbourne Gale Warning 6.



Part 2 Situation at 070600 UTC

Trough [1] 12S090E 19S106E. Forecast slow moving.



Cold front 35S108E 43S118E 50S120E. Forecast 35S127E 44S127E 50S129E at

080600UTC and moving east of area thereafter.



Ridge 44S088E 50S093E. Forecast 40S102E 48S107E at 081200UTC.



Forecast trough [2] 46S080E 50S085E developing by 080900UTC and 44S081E 50S090E

at 081200UTC.



Part 3 Forecast

Refer to latest warnings for details of the area affected.



South of line 41S080E 22S113E 32S129E, outside warning areas:

Southwesterly quarter winds west of cold front and trough [2], shifting

northwesterly within 360nm east of cold front and westerly quarter west of

ridge. Wind speeds 25/33 knots. Rough to very rough seas. Moderate to heavy

swell.



South of trough [1] and north of line 25S090E 24S107E:

Southeasterly quarter winds 20/30 knots. Rough to very rough seas. Moderate

swell.



Remainder:

Winds not exceeding 25 knots. Moderate to rough seas. Moderate to heavy swell.



Rain areas, scattered showers and isolated thunderstorms mostly within 180nm of

cold front and troughs. Isolated showers within 600nm west of cold front.

Visibility reducing below 2nm in precipitation.



Please be aware

Wind and wave forecasts are averages. Wind gusts can be 40 per cent stronger

than the forecast, and stronger still in squalls and thunderstorms. Maximum

waves can be twice the forecast height.



WEATHER MELBOURNE



The next routine forecast will be issued at 21:00 UTC Friday.